CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 25 enrolled / 25 target
Drug / intervention
Ascorbatedrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03508726
NCT03508726Phase 1CompletedUpdate Overdue (0.3/mo)Completion was 48mo ago

Phase 1b/2 Neoadjuvant High Dose Ascorbate With Concurrent Preoperative Radiation in Patients With Locally Advanced Soft Tissue Sarcomas of Extremity, Trunk and Retroperitoneum

Mohammed Milhem·interventional·Posted Apr 26, 2018·Updated Jun 18, 2026

In Brief

A Phase 1 clinical trial evaluating Ascorbate for Soft Tissue Sarcoma. Completed, enrolled 25 participants across 1 site.

Signals

Enrollment appears stalled

Detailed Summary

This is a single-arm open-label phase Ib/II clinical study assessing the efficacy of concurrent high dose ascorbate in combination with radiotherapy in patients with locally advanced, resectable, high grade sarcomas.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
CollaboratorsUniversity of Iowa

Timeline

Phase 1CompletedFinished
20192020202120222023202420252026
First PostedApr 26, 2018
Enrollment StartJun 27, 2019
Primary CompletionJun 3, 2022
Study CompletionJun 2, 2024
TodayJul 2, 2026
Enrollment to primary: 2.9 yearsPosted 8.2 years ago

Arms & Interventions

Phase I dose escalation cohortexperimental

Participants will receive radiation therapy over 5 weeks, during which time they will be receiving ascorbate infusions three times a week. Ascorbate infusions will be continued until the end of radiation therapy. Surgery will be performed 4-6 weeks from the end of radiation.

Drug: Ascorbate
Phase II Cohortexperimental

Participants will receive radiation therapy over 5 weeks, during which time they will be receiving intravenous (IV) ascorbate infusions three times a week. Ascorbate infusions will be continued until the end of radiation therapy. Surgery will be performed 4-6 weeks from the end of radiation.

Drug: Ascorbate

Interventions

Ascorbatedrug

Phase 1 dose escalation: 75gm IV three times a week Phase II portion: 75gm IV three times a week if no dose limiting toxicities are experienced in the Phase I portion. Otherwise, ascorbate dose will be deescalated to 62.5 gm IV